Dietary Supplement. Healthy Inflammatory Response. Potent Carotenoid Antioxidant*. Natural Extraction Process Astaxanthin is a naturally occurring carotenoid that, because of its unique structure, provides a wide range of antioxidant benefits. Astaxanthin can help to protect cell membranes against free radical attack and potentiates the action of other antioxidants like vitamins E and C. Scientific studies have demonstrated that Astaxanthin can help support a healthy inflammatory and immune system response. Recent research indicates that Astaxanthin may even help to support the skin s structure during exposure to sunlight.* GMP Quality Assurance.